document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1024641>Question 1024641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me to solve this problem <BR>\n" );
document.write( "Y=2sinx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640023 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=640023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you cannot solve this problem unless you know the value of x, or you know the value of y.\r<BR>\n" );
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document.write( "an example:\r<BR>\n" );
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document.write( "suppose x = 30 degrees.\r<BR>\n" );
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document.write( "the formula of y = 2 * sin(x) becomes y = 2 * sin(30).\r<BR>\n" );
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document.write( "you would use your calculator to find the value of sin(30), and you will get sin(30) = 1/2 = .5.\r<BR>\n" );
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document.write( "the formula then becomes y = 2 * .5 which will get you y = 1.\r<BR>\n" );
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document.write( "now, suppose you were given that y = 1.\r<BR>\n" );
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document.write( "the equation of y = 2sin(x) becomes 1 = 2sin(x).\r<BR>\n" );
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document.write( "you would divide both sides of the equaiton by 2 to get 1/2 = sin(x).\r<BR>\n" );
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document.write( "you would use the trigonometric rule that, if sin(x) = 1/2, then arcsin(1/2) = x.\r<BR>\n" );
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document.write( "you would use your calculator again to find that arcsin(1/2) = 30 degrees.\r<BR>\n" );
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document.write( "but, ........\r<BR>\n" );
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document.write( "unless you know the value of x, or the value of y, there's no way you can solve for the other.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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